* {
  margin: 0;
  padding: 0;
  font-family: 'pingfang sc' 'source han sans cn' 'microsoft yahei' monospace;
}
body {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: url(../img/trees-g09609c8e2_1920.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  overflow: hidden;
}
body form {
  width: 300px;
  height: 250px;
  border-radius: 10px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 40px;
  box-sizing: border-box;
  align-items: center;
  justify-content: space-between;
}
body form h3 {
  color: #3C4048;
  user-select: none;
}
body form input {
  width: 100%;
  height: 35px;
  border: none;
  border-radius: 5px;
  padding: 0 5px;
  box-sizing: border-box;
  outline: none;
  font-weight: 600;
  background-color: rgba(255, 255, 255, 0.55);
  user-select: none;
}
body form input:hover,
body form input:focus {
  background-color: #fff;
}
body form button {
  width: 100%;
  height: 35px;
  border: none;
  border-radius: 5px;
  font-size: 15px;
  color: #fff;
  background-color: rgba(240, 167, 0, 0.6);
  cursor: pointer;
  user-select: none;
}
body form button:hover {
  background-color: #F0A500;
}
body form::after {
  content: '';
  display: block;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  position: absolute;
  background-color: rgba(255, 255, 255, 0.7);
  filter: blur(6px);
  overflow: hidden;
  border-radius: 1vw;
  z-index: -1;
}
